Try this
Dim date1 As Date
Dim date2 As Date
Dim date3 As String
Stop
date1 = #1/20/2008#
date2 = #8/10/2008#
date3 = DateDiff("d", date1, date2)
Date3 is a string since you are calculating the number of days difference. You need to then change date 3 back into the...